DNS Diagnostic

Deep-inspect any domain's DNS health — direct queries, no third-party APIs.

Diagnosing smtp.incometax.gov.in…
Preparing…
Preparing… 0%
smtp.incometax.gov.in
Pass 0 Fail 0 Warn 0 Info 0
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Also check for smtp.incometax.gov.in
WHOIS / RDAP
Registrar, expiry & ownership details
DNSSEC Validation
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SPF, DKIM, DMARC & deliverability score
TLS Certificate
CT log history, SANs & cert details
DNS Propagation
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